132905491 has 2 divisors, whose sum is σ = 132905492. Its totient is φ = 132905490.

The previous prime is 132905489. The next prime is 132905497. The reversal of 132905491 is 194509231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132905491 - 2¹ = 132905489 is a prime.

Together with 132905489, it forms a pair of twin primes.

It is equal to p_7533547 and since 132905491 and 7533547 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (132905497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66452745 + 66452746.

It is an arithmetic number, because the mean of its divisors is an integer number (66452746).

Almost surely, 2^132905491 is an apocalyptic number.

132905491 is a deficient number, since it is larger than the sum of its proper divisors (1).

132905491 is an equidigital number, since it uses as much as digits as its factorization.

132905491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 132905491 is about 11528.4643816946. The cubic root of 132905491 is about 510.3259367246.

It can be divided in two parts, 13290 and 5491, that added together give a palindrome (18781).

The spelling of 132905491 in words is "one hundred thirty-two million, nine hundred five thousand, four hundred ninety-one".